323 lines
8.1 KiB
C++
323 lines
8.1 KiB
C++
#include "UtilityCommon.h"
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#include "./StreamHashKey.h"
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namespace util {
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;
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//////////////////////////////////////////////////////////////////////////
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// reference Unreal3 GameEngine, Epic Games, co.ltd.
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// - changes : 처음 사용한 SHA alogrithm hash는 유니크 할 수는 없었다.
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// 희박한 확률이라도 Hash중복 가능성이 있었고, 또한 기타 여러
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// 가지 면에서도 당근 아래와 같은 코드가 더 효율적이다.
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// - (CHANGES) (f100813.3L) make to a constant table and add extended interfaces
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//#define _SDL_CRC32_POLYNOMIAL 0x04C11DB7
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HashKey StreamHashKey::GetStringHashKey(const char* input_str)
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{
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const char* it = input_str;
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HashKey crc = 0xFFFFFFFF;
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//
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for ( ; *it != '\0'; ++it)
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{
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char c = *it;
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HashKey cL = c & 255;
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crc = (crc << 8) ^ crc_table_static_[ (crc >> 24) ^ cL ];
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}
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return ~crc;
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}
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HashKey StreamHashKey::GetStringHashKey(const wchar_t* input_wstr)
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{
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const wchar_t* it = input_wstr;
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const wchar_t* end = it + wcslen(input_wstr);
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HashKey crc = 0xFFFFFFFF;
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//
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for ( ; it != end; ++it)
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{
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wchar_t c = *it;
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HashKey cL = c & 255;
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crc = (crc << 8) ^ crc_table_static_[ (crc >> 24) ^ cL ];
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HashKey cH = (c >> 8) & 255;
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crc = (crc << 8) ^ crc_table_static_[ (crc >> 24) ^ cH ];
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}
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return ~crc;
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}
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HashKey StreamHashKey::GetMemoryHashKey(const void* input_ptr, size_t length)
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{
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const uint8_t* it = reinterpret_cast<const uint8_t*>(input_ptr);
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const uint8_t* end = it + length;
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HashKey crc = 0xFFFFFFFF;
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//
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for ( ; it != end; ++it) {
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crc = (crc << 8) ^ crc_table_static_[ (crc >> 24) ^ *it ];
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}
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return ~crc;
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}
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//HashKey GetMemoryHashKeyEnDecode(const void* input_ptr, size_t length, HashKey endecode);
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const HashKey StreamHashKey::crc_table_static_[256] =
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{
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0x00000000, //[0x00]
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0x04C11DB7, //[0x01]
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0x09823B6E, //[0x02]
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0x0D4326D9, //[0x03]
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0x130476DC, //[0x04]
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0x17C56B6B, //[0x05]
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0x1A864DB2, //[0x06]
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0x1E475005, //[0x07]
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0x2608EDB8, //[0x08]
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0x22C9F00F, //[0x09]
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0x2F8AD6D6, //[0x0A]
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0x2B4BCB61, //[0x0B]
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0x350C9B64, //[0x0C]
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0x31CD86D3, //[0x0D]
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0x3C8EA00A, //[0x0E]
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0x384FBDBD, //[0x0F]
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0x4C11DB70, //[0x10]
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0x48D0C6C7, //[0x11]
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0x4593E01E, //[0x12]
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0x4152FDA9, //[0x13]
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0x5F15ADAC, //[0x14]
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0x5BD4B01B, //[0x15]
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0x569796C2, //[0x16]
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0x52568B75, //[0x17]
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0x6A1936C8, //[0x18]
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0x6ED82B7F, //[0x19]
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0x639B0DA6, //[0x1A]
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0x675A1011, //[0x1B]
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0x791D4014, //[0x1C]
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0x7DDC5DA3, //[0x1D]
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0x709F7B7A, //[0x1E]
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0x745E66CD, //[0x1F]
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0x9823B6E0, //[0x20]
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0x9CE2AB57, //[0x21]
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0x91A18D8E, //[0x22]
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0x95609039, //[0x23]
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0x8B27C03C, //[0x24]
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0x8FE6DD8B, //[0x25]
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0x82A5FB52, //[0x26]
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0x8664E6E5, //[0x27]
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0xBE2B5B58, //[0x28]
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0xBAEA46EF, //[0x29]
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0xB7A96036, //[0x2A]
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0xB3687D81, //[0x2B]
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0xAD2F2D84, //[0x2C]
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0xA9EE3033, //[0x2D]
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0xA4AD16EA, //[0x2E]
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0xA06C0B5D, //[0x2F]
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0xD4326D90, //[0x30]
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0xD0F37027, //[0x31]
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0xDDB056FE, //[0x32]
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0xD9714B49, //[0x33]
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0xC7361B4C, //[0x34]
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0xC3F706FB, //[0x35]
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0xCEB42022, //[0x36]
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0xCA753D95, //[0x37]
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0xF23A8028, //[0x38]
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0xF6FB9D9F, //[0x39]
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0xFBB8BB46, //[0x3A]
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0xFF79A6F1, //[0x3B]
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0xE13EF6F4, //[0x3C]
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0xE5FFEB43, //[0x3D]
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0xE8BCCD9A, //[0x3E]
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0xEC7DD02D, //[0x3F]
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0x34867077, //[0x40]
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0x30476DC0, //[0x41]
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0x3D044B19, //[0x42]
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0x39C556AE, //[0x43]
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0x278206AB, //[0x44]
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0x23431B1C, //[0x45]
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0x2E003DC5, //[0x46]
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0x2AC12072, //[0x47]
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0x128E9DCF, //[0x48]
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0x164F8078, //[0x49]
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0x1B0CA6A1, //[0x4A]
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0x1FCDBB16, //[0x4B]
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0x018AEB13, //[0x4C]
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0x054BF6A4, //[0x4D]
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0x0808D07D, //[0x4E]
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0x0CC9CDCA, //[0x4F]
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0x7897AB07, //[0x50]
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0x7C56B6B0, //[0x51]
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0x71159069, //[0x52]
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0x75D48DDE, //[0x53]
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0x6B93DDDB, //[0x54]
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0x6F52C06C, //[0x55]
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0x6211E6B5, //[0x56]
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0x66D0FB02, //[0x57]
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0x5E9F46BF, //[0x58]
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0x5A5E5B08, //[0x59]
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0x571D7DD1, //[0x5A]
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0x53DC6066, //[0x5B]
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0x4D9B3063, //[0x5C]
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0x495A2DD4, //[0x5D]
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0x44190B0D, //[0x5E]
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0x40D816BA, //[0x5F]
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0xACA5C697, //[0x60]
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0xA864DB20, //[0x61]
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0xA527FDF9, //[0x62]
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0xA1E6E04E, //[0x63]
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0xBFA1B04B, //[0x64]
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0xBB60ADFC, //[0x65]
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0xB6238B25, //[0x66]
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0xB2E29692, //[0x67]
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0x8AAD2B2F, //[0x68]
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0x8E6C3698, //[0x69]
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0x832F1041, //[0x6A]
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0x87EE0DF6, //[0x6B]
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0x99A95DF3, //[0x6C]
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0x9D684044, //[0x6D]
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0x902B669D, //[0x6E]
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0x94EA7B2A, //[0x6F]
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0xE0B41DE7, //[0x70]
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0xE4750050, //[0x71]
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0xE9362689, //[0x72]
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0xEDF73B3E, //[0x73]
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0xF3B06B3B, //[0x74]
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0xF771768C, //[0x75]
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0xFA325055, //[0x76]
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0xFEF34DE2, //[0x77]
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0xC6BCF05F, //[0x78]
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0xC27DEDE8, //[0x79]
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0xCF3ECB31, //[0x7A]
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0xCBFFD686, //[0x7B]
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0xD5B88683, //[0x7C]
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0xD1799B34, //[0x7D]
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0xDC3ABDED, //[0x7E]
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0xD8FBA05A, //[0x7F]
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0x690CE0EE, //[0x80]
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0x6DCDFD59, //[0x81]
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0x608EDB80, //[0x82]
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0x644FC637, //[0x83]
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0x7A089632, //[0x84]
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0x7EC98B85, //[0x85]
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0x738AAD5C, //[0x86]
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0x774BB0EB, //[0x87]
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0x4F040D56, //[0x88]
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0x4BC510E1, //[0x89]
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0x46863638, //[0x8A]
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0x42472B8F, //[0x8B]
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0x5C007B8A, //[0x8C]
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0x58C1663D, //[0x8D]
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0x558240E4, //[0x8E]
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0x51435D53, //[0x8F]
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0x251D3B9E, //[0x90]
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0x21DC2629, //[0x91]
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0x2C9F00F0, //[0x92]
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0x285E1D47, //[0x93]
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0x36194D42, //[0x94]
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0x32D850F5, //[0x95]
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0x3F9B762C, //[0x96]
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0x3B5A6B9B, //[0x97]
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0x0315D626, //[0x98]
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0x07D4CB91, //[0x99]
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0x0A97ED48, //[0x9A]
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0x0E56F0FF, //[0x9B]
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0x1011A0FA, //[0x9C]
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0x14D0BD4D, //[0x9D]
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0x19939B94, //[0x9E]
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0x1D528623, //[0x9F]
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0xF12F560E, //[0xA0]
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0xF5EE4BB9, //[0xA1]
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0xF8AD6D60, //[0xA2]
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0xFC6C70D7, //[0xA3]
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0xE22B20D2, //[0xA4]
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0xE6EA3D65, //[0xA5]
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0xEBA91BBC, //[0xA6]
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0xEF68060B, //[0xA7]
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0xD727BBB6, //[0xA8]
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0xD3E6A601, //[0xA9]
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0xDEA580D8, //[0xAA]
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0xDA649D6F, //[0xAB]
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0xC423CD6A, //[0xAC]
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0xC0E2D0DD, //[0xAD]
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0xCDA1F604, //[0xAE]
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0xC960EBB3, //[0xAF]
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0xBD3E8D7E, //[0xB0]
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0xB9FF90C9, //[0xB1]
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0xB4BCB610, //[0xB2]
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0xB07DABA7, //[0xB3]
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0xAE3AFBA2, //[0xB4]
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0xAAFBE615, //[0xB5]
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0xA7B8C0CC, //[0xB6]
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0xA379DD7B, //[0xB7]
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0x9B3660C6, //[0xB8]
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0x9FF77D71, //[0xB9]
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0x92B45BA8, //[0xBA]
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0x9675461F, //[0xBB]
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0x8832161A, //[0xBC]
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0x8CF30BAD, //[0xBD]
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0x81B02D74, //[0xBE]
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0x857130C3, //[0xBF]
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0x5D8A9099, //[0xC0]
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0x594B8D2E, //[0xC1]
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0x5408ABF7, //[0xC2]
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0x50C9B640, //[0xC3]
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0x4E8EE645, //[0xC4]
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0x4A4FFBF2, //[0xC5]
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0x470CDD2B, //[0xC6]
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0x43CDC09C, //[0xC7]
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0x7B827D21, //[0xC8]
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0x7F436096, //[0xC9]
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0x7200464F, //[0xCA]
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0x76C15BF8, //[0xCB]
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0x68860BFD, //[0xCC]
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0x6C47164A, //[0xCD]
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0x61043093, //[0xCE]
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0x65C52D24, //[0xCF]
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0x119B4BE9, //[0xD0]
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0x155A565E, //[0xD1]
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0x18197087, //[0xD2]
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0x1CD86D30, //[0xD3]
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0x029F3D35, //[0xD4]
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0x065E2082, //[0xD5]
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0x0B1D065B, //[0xD6]
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0x0FDC1BEC, //[0xD7]
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0x3793A651, //[0xD8]
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0x3352BBE6, //[0xD9]
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0x3E119D3F, //[0xDA]
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0x3AD08088, //[0xDB]
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0x2497D08D, //[0xDC]
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0x2056CD3A, //[0xDD]
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0x2D15EBE3, //[0xDE]
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0x29D4F654, //[0xDF]
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0xC5A92679, //[0xE0]
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0xC1683BCE, //[0xE1]
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0xCC2B1D17, //[0xE2]
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0xC8EA00A0, //[0xE3]
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0xD6AD50A5, //[0xE4]
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0xD26C4D12, //[0xE5]
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0xDF2F6BCB, //[0xE6]
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0xDBEE767C, //[0xE7]
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0xE3A1CBC1, //[0xE8]
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0xE760D676, //[0xE9]
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0xEA23F0AF, //[0xEA]
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0xEEE2ED18, //[0xEB]
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0xF0A5BD1D, //[0xEC]
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0xF464A0AA, //[0xED]
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0xF9278673, //[0xEE]
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0xFDE69BC4, //[0xEF]
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0x89B8FD09, //[0xF0]
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0x8D79E0BE, //[0xF1]
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0x803AC667, //[0xF2]
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0x84FBDBD0, //[0xF3]
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0x9ABC8BD5, //[0xF4]
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0x9E7D9662, //[0xF5]
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0x933EB0BB, //[0xF6]
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0x97FFAD0C, //[0xF7]
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0xAFB010B1, //[0xF8]
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0xAB710D06, //[0xF9]
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0xA6322BDF, //[0xFA]
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0xA2F33668, //[0xFB]
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0xBCB4666D, //[0xFC]
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0xB8757BDA, //[0xFD]
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0xB5365D03, //[0xFE]
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0xB1F740B4, //[0xFF]
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};
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}; //end of namespace
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